So I ran a jumper from the battery negative to the ground wire that runs from the blower motor to the firewall. Still no help with the tach jumping around.
All the screws are in place under the steering column cover. I will poke around under the dash next looking for a unattached ground wire. Any other ideas I am all ears.
Tinkerman, I hear you about the alternator.
L
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65 Corvette Coupe L78
67 427/390 Vette Coupe unrestored
67 L-79 Vette roadster (Top Flight)
69 L71 Roadster Survivor
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2016 Z06 Coupe M7
70 AAR Cuda (Sold)
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